What are the three big changes that Shirky mentions to the media landscape? How do these changes affect journalists’ sources?

What evidence could be used to support the authors'claims in this excerpt? select three options.- tweets (twitter messages) describing the overthrow ofben ali at the time it happened- verifiable facts that explain that social media haslittle effect on citizen journalism-speeches that give biographical accounts of the life andaccomplishments of mubarak-journal entries from a student describing how socialmedia him join a protest- quotations from experts on social media use duringuprisings within the arab world

Why might a reader look for an idea that is restated? to craft a summary of the article to find the subheadings in the article to identify the article's main idea to locate the article's key support

Which is not a controlling idea in the essay? a) average joggers b) importance of tradition eliminate c) olympic-level competitors d) fräbel-designed crystal peach